Tips And Shortcuts; Manual Conventions; Quick Links - Garmin GPSMAP 420 Owner's Manual

Introduction
This manual includes information for the following products:
GPSMAP 420/420s GPSMAP 450/450s
®
GPSMAP 421/421s GPSMAP 451/451s
GPSMAP 520/520s GPSMAP 525/525s
GPSMAP 521/521s GPSMAP 526/526s
GPSMAP 550/550s GPSMAP 555/555s
GPSMAP 551/551s GPSMAP 556/556s

Tips and Shortcuts

HOME
• Press from any screen to return to the Home screen.
• Press MENU from any of the main screens to access advanced
settings.
• Press and release the Power

Manual Conventions

In this manual, when you are instructed to select an item, small
arrows (>) appear in the text. They indicate that you should highlight
a series of items on the screen using the Rocker, and press the
SELECT
key after each item. For example, if you see "select
Charts Navigation Chart," you should highlight Charts, and
>
GPSMAP 400/500 Series Owner's Manual
key to adjust the display settings.
press SELECT. Then highlight
SELECT again.

Quick Links

• Turning the Unit On or Off:
• Acquiring GPS Satellite Signals:
• Inserting and Removing SD Cards:
• Restoring Factory Settings:
• Using the Navigation Chart:
• Changing the Chart Settings:
• Navigating to a Destination:
• Creating and Using Waypoints:
• Configuring System Settings:
• Using Sonar: page 44.
• Alarms and Messages: page
Introduction
Navigation Chart, and press
page 3.
page 5.
page 6.
page 6.
page 8.
page 12.
page 22
page 24.
page 37.
55.
i